from cnocr import CnOcr

img_fp = './test/numberROI/frame_2_number_roi.jpg'
ocr = CnOcr(model_name='number-densenet_lite_136-fc', det_model_name='en_PP-OCRv3_det',cand_alphabet=['1', '2', '3', '4', '5', '6'])
out = ocr.ocr(img_fp)

print(out)

